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olga nikolaevna [1]
3 years ago
11

When you walk across the carpet and touch a metal doorknob, you create a spark. This occurs because ______________.

Mathematics
1 answer:
Alexeev081 [22]3 years ago
7 0

Answer:

B

Step-by-step explanation:

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Which numbers are rational? Select all
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Solve the following equation on the interval [0, 2π). tan^2x sin x = tan^2x
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<h3>Given</h3>

tan(x)²·sin(x) = tan(x)²

<h3>Find</h3>

x on the interval [0, 2π)

<h3>Solution</h3>

Subtract the right side and factor. Then make use of the zero-product rule.

... tan(x)²·sin(x) -tan(x)² = 0

... tan(x)²·(sin(x) -1) = 0

This is an indeterminate form at x = π/2 and undefined at x = 3π/2. We can resolve the indeterminate form by using an identity for tan(x)²:

... tan(x)² = sin(x)²/cos(x)² = sin(x)²/(1 -sin(x)²)

Then our equation becomes

... sin(x)²·(sin(x) -1)/((1 -sin(x))(1 +sin(x))) = 0

... -sin(x)²/(1 +sin(x)) = 0

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3 years ago
The population of Adamsville grew from 7,000 to 12,000 in 5 years. Assuming uninhibited exponential growth, what is the expected
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Answer:

si como estas chico

Step-by-step explanation:

3 0
3 years ago
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